The Dayton Audio SD215A-88 8" subwoofer speaker is one of the best bang-for-the-buck low frequency drivers available today. Dayton Audio DVC Series woofers were designed to offer the maximum performance-per-dollar. The speakers feature poly coated paper cones, wide rubber surrounds, large dual 8 ohm voice coils, vented pole pieces, and bumped back plates. Their healthy Xmax, long-throw construction, and dual voice coils make them perfect for any economical yet high-performing subwoofer speaker system.
Power Handling (RMS)80 Watts
Power Handling (max)160 Watts
Frequency Response31 to 2,500 Hz
Sensitivity85.9 dB 1W/1m
Voice Coil Diameter1.5"
Resonant Frequency (Fs)31 Hz
DC Resistance (Re)3.2 ohms
Voice Coil Inductance (Le)1.16 mH
Mechanical Q (Qms)3.1
Electromagnetic Q (Qes)0.45
Total Q (Qts)0.39
Compliance Equivalent Volume (Vas)1.35 ft.³
Mechanical Compliance of Suspension (Cms)0.62 mm/N
BL Product (BL)7.7 Tm
Diaphragm Mass Inc. Airload (Mms)42.4g
Maximum Linear Excursion (Xmax)6 mm
Surface Area of Cone (Sd)208.7 cm²
Materials of Construction
Cone MaterialCoated Paper
Voice Coil Wire MaterialCopper
Voice Coil FormerAluminum
Basket / Frame MaterialSteel
Overall Outside Diameter8.5"
Baffle Cutout Diameter7.09"
# Mounting Holes5
Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion)